#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	int n = 0;
	scanf("%d", &n);
		int i = 0; int j = 0;
		for (i = 0; i<n; i++)
		{
			for (j = 0; j <= i; j++)
			{
				if (i>1 && i<n - 1)
				{
					if (j == 0 || j == i)
						printf("* ");
					else
						printf("  ");
				}
				else
					printf("* ");
			}
			printf("\n");
		}
	return 0;
}